Matches in SemOpenAlex for { <https://semopenalex.org/work/W3157512334> ?p ?o ?g. }
- W3157512334 endingPage "1" @default.
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- W3157512334 abstract "Abstract The relationship of upper tropospheric jet variability to El Niño / Southern Oscillation (ENSO) in reanalysis datasets is analyzed for 1979–2018, revealing robust regional and seasonal variability. Tropical jets associated with monsoons and the Walker circulation are weaker and the zonal mean subtropical jet shifts equatorward in both hemispheres during El Niño, consistent with previous findings. Regional and seasonal variations are analyzed separately for subtropical and polar jets. The subtropical jet shifts poleward during El Niño over the NH eastern Pacific in DJF, and in some SH regions in MAMand SON. Subtropical jet altitudes increase during El Niño, with significant changes in the zonal mean in the NH and during summer/fall in the SH. Though zonal mean polar jet correlations with ENSO are rarely significant, robust regional/seasonal changes occur: The SH polar jet shifts equatorward during El Niño over Asia and the western Pacific in DJF, and poleward over the eastern Pacific in JJA and SON. Polar jets are weaker (stronger) during El Niño in the western (eastern) hemisphere, especially in the SH; conversely, subtropical jets are stronger (weaker) in the western (eastern) hemisphere during El Niño in winter and spring; these opposing changes, along with an anticorrelation between subtropical and polar jet windspeed, reinforce subtropical/polar jet strength differences during El Niño, and suggest ENSO-related covariability of the jets. ENSO-related jet latitude, altitude, and windspeed changes can reach 4(3)°, 0.6(0.3) km, and 6(3) ms −1 , respectively, for the subtropical (polar) jets." @default.
- W3157512334 created "2021-05-10" @default.
- W3157512334 creator A5005334416 @default.
- W3157512334 creator A5038838249 @default.
- W3157512334 creator A5083553398 @default.
- W3157512334 date "2021-08-30" @default.
- W3157512334 modified "2023-10-01" @default.
- W3157512334 title "Seasonal and regional signatures of ENSO in upper tropospheric jet characteristics from reanalyses" @default.
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